Class Activity - Speed of Mechanical vs EM Waves

Class Activity - Speed of Mechanical vs EM Waves

The type of medium determines the speed of the wave.

Multiple Choice

Through which medium would sound (mechanical wave) travel the FASTEST?

• water

• solid iron

• jello

• air

Multiple Choice

Why does sound travel fastest in a solid?

• The atoms are more spread apart in a solid

• The atoms are closer together in a solid

• The atoms are smaller in a solid.

• There are no atoms in a solid.

Multiple Choice

Through which medium would light (EM wave) travel the FASTEST?

• water

• solid iron

• jello

• air

Multiple Choice

Why does light travel fastest in a gas?

• The atoms are more spread apart in a gas

• The atoms are closer together in a gas

• The atoms are smaller in a gas.

• There are no atoms in a gas.

Multiple Choice

Through which material will sound (mechanical waves) travel fastest?

Multiple Choice

Through which material will sound (mechanical waves) travel fastest?

Multiple Choice

Through which material will light travel fastest?

Poll

Which statement describes how well you understand the different speeds of EM and mechanical waves as they travel through different media?

• I feel comfortable with this topic.

• I need more practice with this topic.

• I don't understand this topic.